Pith Number

pith:K3YOSFRV

pith:2019:K3YOSFRV5RXTYVN7YNTBZMH5LQ

not attested not anchored not stored refs pending

Engineering Top-Down Weight-Balanced Trees

Dorothea Wagner, Lukas Barth

arxiv:1910.07849 v2 · 2019-10-17 · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K3YOSFRV5RXTYVN7YNTBZMH5LQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:39:14.799925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56f0e91635ec6f3c55bfc3661cb0fd5c35adfc858081bbef71b6a222add70652

Aliases

arxiv: 1910.07849 · arxiv_version: 1910.07849v2 · doi: 10.48550/arxiv.1910.07849 · pith_short_12: K3YOSFRV5RXT · pith_short_16: K3YOSFRV5RXTYVN7 · pith_short_8: K3YOSFRV

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/K3YOSFRV5RXTYVN7YNTBZMH5LQ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 56f0e91635ec6f3c55bfc3661cb0fd5c35adfc858081bbef71b6a222add70652

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d08e2aacce944d1eaefa22897d974c611aba0f90bbcb25192ef384370346f489",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-10-17T12:15:09Z",
    "title_canon_sha256": "076a7410f82a016fed807ad5f3fb5d6e3e15a4c3d49c27a121dd8609d5c4659f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.07849",
    "kind": "arxiv",
    "version": 2
  }
}